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''Acer negundo'' is a species of maple native to North America. Box elder, boxelder maple, ash-leaved maple, and maple ash are its most common names in the United States; in Britain and Ireland it is also known as ashleaf maple. ==Common names== Indicative of its familiarity to many people over a large geographic range, ''A. negundo'' has numerous common names. The names "box elder" and "boxelder maple" are based upon the similarity of its whitish wood to that of boxwood and the similarity of its pinnately compound leaves to those of some species of elder.〔(DePauw University )〕 This is the only North American maple with compound leaves, though several Asian species also have them. Other common names are based upon this maple's similarity to ash, its preferred environment, its sugary sap, a description of its leaves, its binomial name, and so on. These names include (but are not limited to) ash-, cut-, or three-leaf (or -leaved) maple; ash maple; sugar ash; Negundo maple; and river maple.〔(Acer spp. Aceraceae ) Note that some of the common names given in this reference are questionable. "stinking ash" and "black ash" typically refer to ''Ptelea trifoliata'' and ''Fraxinus nigra'', respectively. This reference is retained as an example of the confusion which arises when plants such as ''A. negundo'' are discussed by other than their scientific names.〕 In Canada it is commonly known as Manitoba maple and occasionally as elf maple.〔(Community trees of the Prairie provinces – Canadian Forest Service )〕 In Russia it is called American maple ((ロシア語:американский клён)) as well as ash-leaf maple ((ロシア語:клён ясенелистный)), and in Italian ''acero americano''.〔(Altervista Italiana, Acero americano, ''Acer negundo'' L. )〕 Common names may also designate a particular subspecies. For example, a common name for ''A. negundo'' subsp. ''interius'' may be preceded by "inland" (as in "inland boxelder maple"). A common name for ''A. negundo'' subsp. ''californicum'' may be preceded by "California" or "western". 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Acer negundo」の詳細全文を読む スポンサード リンク
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